https://bugzilla.novell.com/show_bug.cgi?id=396699
Summary: gmcs fails to compile nullable user defined binary
operators
Product: Mono: Compilers
Version: SVN
Platform: Other
OS/Version: Other
Status: NEW
Severity: Normal
Priority: P5 - None
Component: C#
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
QAContact: [email protected]
Found By: ---
Test case that compiles with csc:
<<<<<<<<<<<
using System;
struct Foo {
public int Value;
public Foo (int value)
{
this.Value = value;
}
public static Foo operator + (Foo? a, Foo? b)
{
if (a.HasValue && b.HasValue)
return new Foo (a.Value.Value + b.Value.Value);
return new Foo (42);
}
}
struct Bar {
public int Value;
public Bar (int value)
{
this.Value = value;
}
public static Bar? operator + (Bar? a, Bar? b)
{
if (a.HasValue && b.HasValue)
return new Bar (a.Value.Value + b.Value.Value);
return null;
}
}
class Test {
static Foo AddFoo (Foo a, Foo b)
{
return a + b;
}
static Foo AddFooNullable (Foo? a, Foo? b)
{
return a + b;
}
static Bar? AddBarNullable (Bar? a, Bar? b)
{
return a + b;
}
static Bar? AddBar (Bar a, Bar b)
{
return a + b;
}
static int Main ()
{
if (AddFooNullable (null, null).Value != 42)
return 1;
if (AddFoo (new Foo (2), new Foo (2)).Value != 4)
return 2;
if (AddBarNullable (null, null) != null)
return 3;
if (AddBar (new Bar (2), new Bar (2)).Value.Value != 4)
return 4;
Console.WriteLine ("OK");
return 0;
}
}
>>>>>>>>>>>>>>
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